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  _  __    ______   ______      ___              
 | |/ //  /_   _// |      \\   / _ \\      ___   
 | ' //    -| ||-  |  --  //  / //\ \\    /   || 
 | . \\    _| ||_  |  --  \\ |  ___  ||  | [] || 
 |_|\_\\  /_____// |______// |_||  |_||   \__ || 
 `-` --`  `-----`  `------`  `-`   `-`     -|_|| 
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Text this: Two-class M/G/1 queue under workload control